Answer Posted / chakra babu gundra

*.The Trivector meter is a measuring instrument which measures the Active Power, Reactive Power and Total Energy consumed of a power line.*.Trivector meters are normally used in substations and to measure the power flowing through the feeders.*.They are also usedfor billing power drawn by industrial customers.

DERIVE AN EXPREION FOR MAXIMUM POER TRANSMISSION, WHAT ARE ITS APPLICATIONS.

2169

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why r we using shell transformer for low voltage

1944

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can the measured percentage error during calibration of single phase energy meter be negative?

2346

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formula for calculation of switchgears(i.e. contactor, fuse, cb, relay etc.), if load current is given?

2147

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what will happen if multimeter(selector switch at DC voltage) and terminal at current is connected to DC supply?

1907

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What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

1623

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After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

2306

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WHY BLADE & JOW OF ISOLETOR IN SUBSTATION?

4917

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

2131

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how freewheeling diode improves the powerfactor

5355

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what is the difference between rectifier and converter and commudator?

1886

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Give atleast 20 alternating current apparatus and devices.

1715

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how to find number of run cable laying[LT side] for transformer & alternator secondary side? [above condition for getting output power transformer to main panel side] give the example.

2009

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The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1081

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132/66kv sub-station procation ?

2206

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